/Engine/Source/Runtime/Engine/Classes/Engine/BlueprintGeneratedClass.h
Looks thru the debugging data for any class variables associated with the node (e.g., temporary variables or timelines)
[FProperty](API\Runtime\CoreUObject\UObject\FProperty) * FindClassPropertyForNode ( const [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * Node ) const